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Finding the Fourth Proportional to 237.52, 356.24 and 66.48

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Solution

The fourth proportional to 237.52, 356.24 and 66.48 is: 99.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.52 : 356.24 = 66.48 : x
  2. Step 2: Convert to fraction form
    237.52/356.24 = 66.48/x
  3. Step 3: Cross multiply
    237.52x = 356.24 × 66.48
  4. Step 4: Simplify right side
    237.52x = 23,682.84
  5. Step 5: Solve for x
    x = 23,682.84/237.52
  6. Step 6: Final answer
    x = 99.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.